65286

Appears in sequences

• Number of 3 X n (0,1) matrices such that each row and each column is nondecreasing or nonincreasing.at n=30A086113
• a(n) is the number of binary strings of length n+3 such that there exists a subsequence of length 4 with 2 ones in it.at n=12A118648
• Let a(n) = the number of permutations (p(1),p(2),p(3)...,p(n)) of (1,2,3,...,n) where, if each (m,p(m)) is plotted on a graph, then the entire set P of the n of these plotted points would be on the perimeter of the convex hull of P.at n=14A156831
• Number of 3-abelian equivalence classes of words of length n over a binary alphabet.at n=34A289657